﻿/* UTF-8 */

/*
 * glyphtexture.h: make glyph texture 
 * Copyright 2016 tianxianglong. All rights reserved.
 */

 /*
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  * this software and associated documentation files (the "Software"), to deal in
  * the Software without restriction, including without limitation the rights to
  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  * the Software, and to permit persons to whom the Software is furnished to do so,
  * subject to the following conditions:

  * The above copyright notice and this permission notice shall be included in all
  * copies or substantial portions of the Software.

  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */

#pragma once

#ifndef UNICODE
#define UNICODE
#endif

#ifndef _UNICODE
#define _UNICODE
#endif

#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif

#include <Windows.h>

#include "glyph.h"

struct GLYPHTEXTURE
{
	UINT tid;
	GLYPHCOORD Coords[4096];
	WCHAR codepoints[4096];
	USHORT cch;
	UINT Width;
	UINT Height;

	UINT pen_x;
	UINT pen_y;
	UINT row_h;
};

typedef struct GLYPHTEXTURE GLYPHTEXTURE;
typedef GLYPHTEXTURE *GLYPHTEXTUREPTR;

struct GLYPHTEXTURESET
{
	FONTOBJECTPTR Font;
	USHORT ctexture;
	GLYPHTEXTUREPTR Textures[400];
};

typedef struct GLYPHTEXTURESET GLYPHTEXTURESET, *GLYPHTEXTURESETPTR;

GLYPHTEXTURESETPTR MakeGlyphTexture(FONTOBJECTPTR Font);

struct GLYPHTEXTUREINDEX
{
	USHORT texture[65536];
	USHORT indices[65536];
};

#define INVALID_INDEX 0xFF

typedef struct GLYPHTEXTUREINDEX GLYPHTEXTUREINDEX, *GLYPHTEXTUREINDEXPTR;

GLYPHTEXTUREINDEXPTR MakeGlyphTextureIndex(GLYPHTEXTURESETPTR GlyphTextureSet);

struct CODEPPOINTRANGE
{
	WCHAR chLow;
	USHORT cch;
	LPWSTR Content;
};

typedef struct CODEPPOINTRANGE *CODEPPOINTRANGEPTR;

struct CODEPOINTSET
{
	CODEPPOINTRANGEPTR Ranges[400];
};

typedef struct CODEPOINTSET *CODEPOINTSETPTR;

CODEPOINTSETPTR GetCodePointRanges(FONTOBJECTPTR Font);
